Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.49
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -1.51 -0.375 0.57
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index 1.16
Calving Interval (days) -0.67 -1.459 0.98
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.08
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 5.22

* Based on an €80/tonne carbon price